content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
   * Other names may be trademarks of their respective owners.]
   *
   * -------------------------------
   * DefaultHeatMapDatasetTests.java
   * -------------------------------
   * (C) Copyright 2009, by Object Refinery Limited.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes:
   * --------
   * 28-Jan-2009 : Version 1 (DG);
   *
   */
  
  package org.jfree.data.general;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertNotSame;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.junit.jupiter.api.Assertions.assertSame;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  import org.junit.jupiter.api.Test;
  
  ;
  
  
  
  /**
   * Somes tests for the {@link DefaultHeatMapDataset} class.
   *
   * @since 1.0.13
   */
  public class DefaultHeatMapDatasetTest
          implements DatasetChangeListener {
  
      /** The last event received. */
      private DatasetChangeEvent lastEvent;
  
      /**
       * Records the last event.
       *
       * @param event  the last event.
       */
      @Override
      public void datasetChanged(DatasetChangeEvent event) {
          this.lastEvent = event;
      }
  
  
  
      private static final double EPSILON = 0.0000000001;
  
  
  
      /**
       * Some general tests.
       */
      @Test
      public void testGeneral() {
          DefaultHeatMapDataset d = new DefaultHeatMapDataset(10, 5, 0.0, 9.0,
                  0.0, 5.0);
          assertEquals(10, d.getXSampleCount());
          assertEquals(5, d.getYSampleCount());
          assertEquals(0.0, d.getMinimumXValue(), EPSILON);
          assertEquals(9.0, d.getMaximumXValue(), EPSILON);
          assertEquals(0.0, d.getMinimumYValue(), EPSILON);
          assertEquals(5.0, d.getMaximumYValue(), EPSILON);
          assertEquals(0.0, d.getZValue(0, 0), EPSILON);
          d.addChangeListener(this);
          d.setZValue(0, 0, 1.0, false);
          assertEquals(1.0, d.getZValue(0, 0), EPSILON);
          assertNull(this.lastEvent);
          d.setZValue(1, 2, 2.0);
          assertEquals(2.0, d.getZValue(1, 2), EPSILON);
          assertNotNull(this.lastEvent);
      }
  
      /**
       * Some tests for the equals() method.
       */
      @Test
      public void testEquals() {
          DefaultHeatMapDataset d1 = new DefaultHeatMapDataset(5, 10, 1.0, 2.0,
                  3.0, 4.0);
          DefaultHeatMapDataset d2 = new DefaultHeatMapDataset(5, 10, 1.0, 2.0,
                  3.0, 4.0);
          assertEquals(d1, d2);
  
          d1 = new DefaultHeatMapDataset(6, 10, 1.0, 2.0, 3.0, 4.0);
          assertFalse(d1.equals(d2));
          d2 = new DefaultHeatMapDataset(6, 10, 1.0, 2.0, 3.0, 4.0);
          assertEquals(d1, d2);
  
          d1 = new DefaultHeatMapDataset(6, 11, 1.0, 2.0, 3.0, 4.0);
          assertFalse(d1.equals(d2));
          d2 = new DefaultHeatMapDataset(6, 11, 1.0, 2.0, 3.0, 4.0);
          assertEquals(d1, d2);
  
          d1 = new DefaultHeatMapDataset(6, 11, 2.0, 2.0, 3.0, 4.0);
          assertFalse(d1.equals(d2));
          d2 = new DefaultHeatMapDataset(6, 11, 2.0, 2.0, 3.0, 4.0);
          assertEquals(d1, d2);
  
          d1 = new DefaultHeatMapDataset(6, 11, 2.0, 3.0, 3.0, 4.0);
          assertFalse(d1.equals(d2));
          d2 = new DefaultHeatMapDataset(6, 11, 2.0, 3.0, 3.0, 4.0);
          assertEquals(d1, d2);
  
          d1 = new DefaultHeatMapDataset(6, 11, 2.0, 3.0, 4.0, 4.0);
          assertFalse(d1.equals(d2));
          d2 = new DefaultHeatMapDataset(6, 11, 2.0, 3.0, 4.0, 4.0);
          assertEquals(d1, d2);
  
          d1 = new DefaultHeatMapDataset(6, 11, 2.0, 3.0, 4.0, 5.0);
          assertFalse(d1.equals(d2));
          d2 = new DefaultHeatMapDataset(6, 11, 2.0, 3.0, 4.0, 5.0);
          assertEquals(d1, d2);
  
          d1.setZValue(1, 2, 3.0);
          assertFalse(d1.equals(d2));
          d2.setZValue(1, 2, 3.0);
          assertEquals(d1, d2);
  
          d1.setZValue(0, 0, Double.NEGATIVE_INFINITY);
          assertFalse(d1.equals(d2));
          d2.setZValue(0, 0, Double.NEGATIVE_INFINITY);
          assertEquals(d1, d2);
  
          d1.setZValue(0, 1, Double.POSITIVE_INFINITY);
          assertFalse(d1.equals(d2));
          d2.setZValue(0, 1, Double.POSITIVE_INFINITY);
          assertEquals(d1, d2);
  
          d1.setZValue(0, 2, Double.NaN);
          assertFalse(d1.equals(d2));
          d2.setZValue(0, 2, Double.NaN);
          assertEquals(d1, d2);
      }
  
      /**
       * Confirm that cloning works.
       */
      @Test
      public void testCloning() throws CloneNotSupportedException {
          DefaultHeatMapDataset d1 = new DefaultHeatMapDataset(2, 3, -1.0, 4.0,
                  -2.0, 5.0);
          d1.setZValue(0, 0, 10.0);
          d1.setZValue(0, 1, Double.NEGATIVE_INFINITY);
          d1.setZValue(0, 2, Double.POSITIVE_INFINITY);
          d1.setZValue(1, 0, Double.NaN);
          DefaultHeatMapDataset d2 = (DefaultHeatMapDataset) d1.clone();
          assertNotSame(d1, d2);
          assertSame(d1.getClass(), d2.getClass());
          assertEquals(d1, d2);
  
          // simple check for independence
          d1.setZValue(0, 0, 11.0);
          assertFalse(d1.equals(d2));
          d2.setZValue(0, 0, 11.0);
          assertEquals(d1, d2);
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
          DefaultHeatMapDataset d1 = new DefaultHeatMapDataset(2, 3, -1.0, 4.0,
                  -2.0, 5.0);
          d1.setZValue(0, 0, 10.0);
          d1.setZValue(0, 1, Double.NEGATIVE_INFINITY);
          d1.setZValue(0, 2, Double.POSITIVE_INFINITY);
          d1.setZValue(1, 0, Double.NaN);
  
  
              ByteArrayOutputStream buffer = new ByteArrayOutputStream();
              ObjectOutput out = new ObjectOutputStream(buffer);
              out.writeObject(d1);
              out.close();
  
              ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(
                      buffer.toByteArray()));
          DefaultHeatMapDataset d2 = (DefaultHeatMapDataset) in.readObject();
              in.close();
  
          assertEquals(d1, d2);
      }
  
  
  }
  